<template>
    <div class="app-container">
        <mt-header fixed title="固定在顶部">
			<!-- <router-link to="/" slot="left">
				<mt-button icon="back">返回首页</mt-button>
			</router-link> -->
			<span slot="left" @click="goBack" v-show="flag">	
				<mt-button icon="back">返回首页</mt-button>
			</span>

			
		</mt-header>

		<transition mode="out-in">
			<router-view></router-view>
		</transition>

        <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item-llb" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item-llb" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item-llb" to="/shopcar">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart">
				<span class="mui-badge" id="badge">{{ $store.getters.getAllCount }}</span></span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item-llb" to="/srarch">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav> 
    </div>
</template>

<script>
    export default {
		data() {
			return {
				flag: false
			};
		},
		created() {
			this.flag = this.$route.path === '/home'? false : true;
		},
		methods: {
			goBack() {
				//点击后退
				this.$router.go(-1);
			}
		},
		watch: {
			"$route.path":function(newVal){
				if(newVal === "/home") {
					this.flag = false;
				}else {
					this.flag = true;
				}
			}
			
		}
	}
</script>

<style lang="scss" scoped>
.app-container {
	padding-top: 40px;
	padding-bottom: 50px;
	overflow-x: hidden;
}

.v-enter {
	opacity: 0;transform: translateX(100%);
}
.v-leave-to {
	opacity: 0;transform: translateX(-100%);
}
.v-enter-active,.v-leave-active {
	transition: all 0.5s ease;
}

.mui-bar-tab .mui-tab-item-llb.mui-active {
	color: #007aff;
}

.mui-bar-tab .mui-tab-item-llb {
	display: table-cell;
	overflow: hidden;
	width: 1%;
	height: 50px;
	text-align: center;
	vertical-align: middle;
	white-space: nowrap;
	text-overflow: ellipsis;
	color: #929292;
}
.mui-bar-tab .mui-tab-item-llb .mui-icon {
	top: 3px;width: 24px;height: 24px;padding-top: 0;padding-bottom: 0;
}
.mui-bar-tab .mui-tab-item-llb .mui-icon~.mui-tab-label {
	font-size: 11px;display: block;overflow: hidden;text-overflow: ellipsis;
}

</style>
